18247113179 has 2 divisors, whose sum is σ = 18247113180. Its totient is φ = 18247113178.

The previous prime is 18247113169. The next prime is 18247113211. The reversal of 18247113179 is 97131174281.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18247113179 is a prime.

It is not a weakly prime, because it can be changed into another prime (18247113169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9123556589 + 9123556590.

It is an arithmetic number, because the mean of its divisors is an integer number (9123556590).

Almost surely, 2^18247113179 is an apocalyptic number.

18247113179 is a deficient number, since it is larger than the sum of its proper divisors (1).

18247113179 is an equidigital number, since it uses as much as digits as its factorization.

18247113179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 44.

The spelling of 18247113179 in words is "eighteen billion, two hundred forty-seven million, one hundred thirteen thousand, one hundred seventy-nine".